Hex #55bd2f or rgb(85,189,47) in RGB space is the tint of grass green. It has hue angle of 103.94 degrees, value = 74 and saturation = 75. #55bd2f can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of blue, 5 drops of green, 1 drop of white.
Nearest safe hex - #66cc33. Below you can see the block with #55bd2f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55bd2f to the mixer and play with it.